Nepal Seasons and Weather Guide Spring (March to May) Spring is one of the most beautiful times to visit Nepal. Temperatures are warm in the lowlands and comfortably cool in the mountains. This season offers clear mountain views and vibrant blooms—especially the rhododendron, Nepal’s national flower, which colors the hillsides in red, pink, and white. Summer/Monsoon (June to August) Summer in Nepal coincides with the monsoon. Expect hot, humid days with frequent rain, especially in the evenings. While trekking is challenging due to wet trails, the rain brings lush greenery to the valleys. Some Himalayan regions like Mustang, Manang, and Dolpo lie in the rain shadow and remain relatively dry. Autumn (September to November) Autumn is Nepal’s peak travel season. The weather is clear, dry, and pleasant, making it ideal for trekking and sightseeing. Crystal-clear skies offer stunning Himalayan views. It’s also festival time—Dashain and Tihar fill the country with celebration and culture....